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node-red/editor/js/ui/palette.js

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/**
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* Copyright 2013, 2015 IBM Corp.
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*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
**/
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RED.palette = (function() {
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var exclusion = ['config','unknown','deprecated'];
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var core = ['subflows', 'input', 'output', 'function', 'social', 'mobile', 'storage', 'analysis', 'advanced'];
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var categoryContainers = {};
function createCategoryContainer(category, label){
label = label || category.replace("_", " ");
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var catDiv = $('<div id="palette-container-'+category+'" class="palette-category palette-close hide">'+
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'<div id="palette-header-'+category+'" class="palette-header"><i class="expanded fa fa-angle-down"></i><span>'+label+'</span></div>'+
'<div class="palette-content" id="palette-base-category-'+category+'">'+
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'<div id="palette-'+category+'-input"></div>'+
'<div id="palette-'+category+'-output"></div>'+
'<div id="palette-'+category+'-function"></div>'+
'</div>'+
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'</div>').appendTo("#palette-container");
categoryContainers[category] = {
container: catDiv,
close: function() {
catDiv.removeClass("palette-open");
catDiv.addClass("palette-closed");
$("#palette-base-category-"+category).slideUp();
$("#palette-header-"+category+" i").removeClass("expanded");
},
open: function() {
catDiv.addClass("palette-open");
catDiv.removeClass("palette-closed");
$("#palette-base-category-"+category).slideDown();
$("#palette-header-"+category+" i").addClass("expanded");
},
toggle: function() {
if (catDiv.hasClass("palette-open")) {
categoryContainers[category].close();
} else {
categoryContainers[category].open();
}
}
};
$("#palette-header-"+category).on('click', function(e) {
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categoryContainers[category].toggle();
});
}
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function setLabel(type, el,label) {
var nodeWidth = 82;
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var nodeHeight = 25;
var lineHeight = 20;
var portHeight = 10;
var words = label.split(" ");
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var displayLines = [];
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var currentLine = words[0];
var currentLineWidth = RED.view.calculateTextWidth(currentLine, "palette_label", 0);
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for (var i=1;i<words.length;i++) {
var newWidth = RED.view.calculateTextWidth(currentLine+" "+words[i], "palette_label", 0);
if (newWidth < nodeWidth) {
currentLine += " "+words[i];
currentLineWidth = newWidth;
} else {
displayLines.push(currentLine);
currentLine = words[i];
currentLineWidth = RED.view.calculateTextWidth(currentLine, "palette_label", 0);
}
}
displayLines.push(currentLine);
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var lines = displayLines.join("<br/>");
var multiLineNodeHeight = 8+(lineHeight*displayLines.length);
el.css({height:multiLineNodeHeight+"px"});
var labelElement = el.find(".palette_label");
labelElement.html(lines);
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el.find(".palette_port").css({top:(multiLineNodeHeight/2-5)+"px"});
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var popOverContent;
try {
var l = "<p><b>"+label+"</b></p>";
if (label != type) {
l = "<p><b>"+label+"</b><br/><i>"+type+"</i></p>";
}
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popOverContent = $(l+($("script[data-help-name|='"+type+"']").html()||"<p>"+RED._("palette.noInfo")+"</p>").trim())
.filter(function(n) {
return this.nodeType == 1 || (this.nodeType == 3 && this.textContent.trim().length > 0)
}).slice(0,2);
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} catch(err) {
// Malformed HTML may cause errors. TODO: need to understand what can break
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// NON-NLS: internal debug
console.log("Error generating pop-over label for ",type);
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console.log(err.toString());
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popOverContent = "<p><b>"+label+"</b></p><p>"+RED._("palette.noInfo")+"</p>";
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}
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el.data('popover').setContent(popOverContent);
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}
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function escapeNodeType(nt) {
return nt.replace(" ","_").replace(".","_").replace(":","_");
}
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function addNodeType(nt,def) {
var nodeTypeId = escapeNodeType(nt);
if ($("#palette_node_"+nodeTypeId).length) {
return;
}
if (exclusion.indexOf(def.category)===-1) {
var category = def.category.replace(" ","_");
var rootCategory = category.split("-")[0];
var d = document.createElement("div");
d.id = "palette_node_"+nodeTypeId;
d.type = nt;
var label;
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if (typeof def.paletteLabel === "undefined") {
label = /^(.*?)([ -]in|[ -]out)?$/.exec(nt)[1];
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} else {
label = (typeof def.paletteLabel === "function" ? def.paletteLabel.call(def) : def.paletteLabel)||"";
}
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$('<div/>',{class:"palette_label"+(def.align=="right"?" palette_label_right":"")}).appendTo(d);
d.className="palette_node";
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if (def.icon) {
var icon_url = (typeof def.icon === "function" ? def.icon.call({}) : def.icon);
var iconContainer = $('<div/>',{class:"palette_icon_container"+(def.align=="right"?" palette_icon_container_right":"")}).appendTo(d);
$('<div/>',{class:"palette_icon",style:"background-image: url(icons/"+icon_url+")"}).appendTo(iconContainer);
}
d.style.backgroundColor = def.color;
if (def.outputs > 0) {
var portOut = document.createElement("div");
portOut.className = "palette_port palette_port_output";
d.appendChild(portOut);
}
if (def.inputs > 0) {
var portIn = document.createElement("div");
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portIn.className = "palette_port palette_port_input";
d.appendChild(portIn);
}
if ($("#palette-base-category-"+rootCategory).length === 0) {
if(core.indexOf(rootCategory) !== -1){
createCategoryContainer(rootCategory, RED._("node-red:palette.label."+rootCategory, {defaultValue:rootCategory}));
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} else {
var ns = def.set.id;
createCategoryContainer(rootCategory, RED._(ns+":palette.label."+rootCategory, {defaultValue:rootCategory}));
}
}
$("#palette-container-"+rootCategory).show();
if ($("#palette-"+category).length === 0) {
$("#palette-base-category-"+rootCategory).append('<div id="palette-'+category+'"></div>');
}
$("#palette-"+category).append(d);
d.onmousedown = function(e) { e.preventDefault(); };
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RED.popover.create({
target:$(d),
content: "hi",
delay: { show: 750, hide: 50 }
});
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// $(d).popover({
// title:d.type,
// placement:"right",
// trigger: "hover",
// delay: { show: 750, hide: 50 },
// html: true,
// container:'body'
// });
$(d).click(function() {
RED.view.focus();
var help = '<div class="node-help">'+($("script[data-help-name|='"+d.type+"']").html()||"")+"</div>";
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RED.sidebar.info.set(help);
});
$(d).draggable({
helper: 'clone',
appendTo: 'body',
revert: true,
revertDuration: 50,
start: function() {RED.view.focus();}
});
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if (def.category == "subflows") {
$(d).dblclick(function(e) {
RED.workspaces.show(nt.substring(8));
e.preventDefault();
});
}
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setLabel(nt,$(d),label);
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var categoryNode = $("#palette-container-"+category);
if (categoryNode.find(".palette_node").length === 1) {
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categoryContainers[category].open();
}
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}
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}
function removeNodeType(nt) {
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var nodeTypeId = escapeNodeType(nt);
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var paletteNode = $("#palette_node_"+nodeTypeId);
var categoryNode = paletteNode.closest(".palette-category");
paletteNode.remove();
if (categoryNode.find(".palette_node").length === 0) {
if (categoryNode.find("i").hasClass("expanded")) {
categoryNode.find(".palette-content").slideToggle();
categoryNode.find("i").toggleClass("expanded");
}
}
}
function hideNodeType(nt) {
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var nodeTypeId = escapeNodeType(nt);
$("#palette_node_"+nodeTypeId).hide();
}
function showNodeType(nt) {
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var nodeTypeId = escapeNodeType(nt);
$("#palette_node_"+nodeTypeId).show();
}
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function refreshNodeTypes() {
RED.nodes.eachSubflow(function(sf) {
var paletteNode = $("#palette_node_subflow_"+sf.id.replace(".","_"));
var portInput = paletteNode.find(".palette_port_input");
var portOutput = paletteNode.find(".palette_port_output");
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if (portInput.length === 0 && sf.in.length > 0) {
var portIn = document.createElement("div");
portIn.className = "palette_port palette_port_input";
paletteNode.append(portIn);
} else if (portInput.length !== 0 && sf.in.length === 0) {
portInput.remove();
}
if (portOutput.length === 0 && sf.out.length > 0) {
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var portOut = document.createElement("div");
portOut.className = "palette_port palette_port_output";
paletteNode.append(portOut);
} else if (portOutput.length !== 0 && sf.out.length === 0) {
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portOutput.remove();
}
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setLabel(sf.type+":"+sf.id,paletteNode,sf.name);
});
}
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function filterChange() {
var val = $("#palette-search-input").val();
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if (val === "") {
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$("#palette-search-clear").hide();
} else {
$("#palette-search-clear").show();
}
var re = new RegExp(val,'i');
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$(".palette_node").each(function(i,el) {
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var currentLabel = $(el).find(".palette_label").text();
if (val === "" || re.test(el.id) || re.test(currentLabel)) {
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$(this).show();
} else {
$(this).hide();
}
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});
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for (var category in categoryContainers) {
if (categoryContainers.hasOwnProperty(category)) {
if (categoryContainers[category].container
.find(".palette_node")
.filter(function() { return $(this).css('display') !== 'none'}).length === 0) {
categoryContainers[category].close();
} else {
categoryContainers[category].open();
}
}
}
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}
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function init() {
$(".palette-spinner").show();
if (RED.settings.paletteCategories) {
RED.settings.paletteCategories.forEach(function(category){
createCategoryContainer(category, RED._("palette.label."+category,{defaultValue:category}));
});
} else {
core.forEach(function(category){
createCategoryContainer(category, RED._("palette.label."+category,{defaultValue:category}));
});
}
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$("#palette-search-input").focus(function(e) {
RED.keyboard.disable();
});
$("#palette-search-input").blur(function(e) {
RED.keyboard.enable();
});
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$("#palette-search-clear").on("click",function(e) {
e.preventDefault();
$("#palette-search-input").val("");
filterChange();
$("#palette-search-input").focus();
});
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$("#palette-search-input").val("");
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$("#palette-search-input").on("keyup",function() {
filterChange();
});
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$("#palette-search-input").on("focus",function() {
$("body").one("mousedown",function() {
$("#palette-search-input").blur();
});
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});
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$("#palette-collapse-all").on("click", function(e) {
e.preventDefault();
for (var cat in categoryContainers) {
if (categoryContainers.hasOwnProperty(cat)) {
categoryContainers[cat].close();
}
}
});
$("#palette-expand-all").on("click", function(e) {
e.preventDefault();
for (var cat in categoryContainers) {
if (categoryContainers.hasOwnProperty(cat)) {
categoryContainers[cat].open();
}
}
});
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}
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return {
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init: init,
add:addNodeType,
remove:removeNodeType,
hide:hideNodeType,
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show:showNodeType,
refresh:refreshNodeTypes
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};
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})();